Check this video from A Box of Crayons and Positively Positive herr der ringe die Schlacht um Mittelerde 2 for free.
I think this is a really interesting technique that could be adapted to a number of situations and ideas full versions for free. One example: What is the most cost effective way to accomplish something vs. the most extravagant way? What is the quickest way to do something vs where can I books for free. the longest most drawn out way? The possibilities and applications are endless.